MediaWiki API result
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{
"compare": {
"fromid": 1,
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"fromtitle": "P\u00e0gina principal",
"toid": 2,
"torevid": 2,
"tons": 0,
"totitle": "Cinem\u00e0tica/Magnituds f\u00edsiques b\u00e0siques",
"*": "<tr><td colspan=\"2\" class=\"diff-lineno\" id=\"mw-diff-left-l1\">L\u00ednia 1:</td>\n<td colspan=\"2\" class=\"diff-lineno\">L\u00ednia 1:</td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\"><strong>MediaWiki s'ha instal\u00b7lat.</strong></del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">{{navegar|llibre=Cinem\u00e0tica</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">|actual=Magnituds f\u00edsiques b\u00e0siques</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">|anterior=Portada</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">|seg\u00fcent=Conceptes b\u00e0sics</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">}}</ins></div></td></tr>\n<tr><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-deleted\"><br></td><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-added\"><br></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">Consulteu la [https</del>:<del class=\"diffchange diffchange-inline\">//www.mediawiki.org/wiki/Special:MyLanguage/Help:Contents Guia d</del>'<del class=\"diffchange diffchange-inline\">Usuari] per a m\u00e9s informaci\u00f3 sobre com utilitzar aquest programari wiki</del>.</div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">La cinem\u00e0tica treballa amb dues magnituds f\u00edsiques b\u00e0siques</ins>: <ins class=\"diffchange diffchange-inline\">el '''temps''' i l''''espai''</ins>'.</div></td></tr>\n<tr><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-deleted\"><br></td><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-added\"><br></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div>== <del class=\"diffchange diffchange-inline\">Primers passos </del>==</div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>==<ins class=\"diffchange diffchange-inline\">El temps</ins>==</div></td></tr>\n<tr><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-deleted\"><br></td><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-added\"><br></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* [https://www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Manual:Configuration_settings Llista </del>de <del class=\"diffchange diffchange-inline\">par\u00e0metres configurables]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">El '''temps''' \u00e9s un concepte f\u00edsic que tots experimentem quotidianament, per\u00f2 que es dif\u00edcil de definir formalment</ins>. <ins class=\"diffchange diffchange-inline\">Es pot partir de la noci\u00f3 que els esdeveniments f\u00edsics tenen lloc un darrere l'altre, i que el temps es l'escala en que aquests esdeveniments tenen lloc</ins>. <ins class=\"diffchange diffchange-inline\">Podem percebre o mesurar l'ordre dels esdeveniments en el temps, i tamb\u00e9 la quantitat </ins>de <ins class=\"diffchange diffchange-inline\">temps que hi ha entre dos esdeveniments. </ins></div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* </del>[<del class=\"diffchange diffchange-inline\">https</del>:<del class=\"diffchange diffchange-inline\">//www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Manual:FAQ PMF </del>del <del class=\"diffchange diffchange-inline\">MediaWiki]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* [https://lists</del>.<del class=\"diffchange diffchange-inline\">wikimedia</del>.<del class=\"diffchange diffchange-inline\">org/postorius/lists/mediawiki-announce</del>.<del class=\"diffchange diffchange-inline\">lists</del>.<del class=\"diffchange diffchange-inline\">wikimedia</del>.<del class=\"diffchange diffchange-inline\">org/ Llista </del>de <del class=\"diffchange diffchange-inline\">correu </del>per <del class=\"diffchange diffchange-inline\">a anuncis del MediaWiki]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">La unitat de temps del [</ins>[<ins class=\"diffchange diffchange-inline\">Sistema Internacional]] \u00e9s el '''segon'''. \u00c9s una magnitud '''escalar'''. El sistema d'hores i minuts utilitzat habitualment en la vida quotidiana es basa en el segon</ins>: <ins class=\"diffchange diffchange-inline\">un minut s\u00f3n 60 segons, i una hora 60 minuts</ins>. <ins class=\"diffchange diffchange-inline\">A un altre nivell, el calendari s'estructura en dies, mesos, i anys</ins>.</div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div>* <del class=\"diffchange diffchange-inline\">[https://www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Localisation#Translation_resources Traducci\u00f3 </del>de <del class=\"diffchange diffchange-inline\">MediaWiki </del>en la <del class=\"diffchange diffchange-inline\">vostra llengua]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* </del>[<del class=\"diffchange diffchange-inline\">https:</del>//<del class=\"diffchange diffchange-inline\">www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Manual:Combating_spam Aprengueu </del>com <del class=\"diffchange diffchange-inline\">combatre </del>la <del class=\"diffchange diffchange-inline\">brossa que pot atacar </del>el <del class=\"diffchange diffchange-inline\">vostre wiki]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">La precisi\u00f3 en la mesura </ins>del <ins class=\"diffchange diffchange-inline\">temps ha anat augmentat amb els avan\u00e7os tecnol\u00f2gics</ins>. <ins class=\"diffchange diffchange-inline\">Avui en dia, hi ha rellotges basats en certes propietats at\u00f2miques que tenen una precisi\u00f3 enorme</ins>.</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">==La posici\u00f3 en l'espai==</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">La '''posici\u00f3''' permet precisar un punt \u00fanic i determinat a l''''espai''', que \u00e9s el conjunt de totes les posicions posibles</ins>.</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\"> </ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">Al contrari del temps, que sempre \u00e9s unidimensional sigui quina sigui la dimensi\u00f3 de l'espai, per determinar una posici\u00f3 en l'espai necessitem una magnitud de tantes components com dimensions tingui l'espai</ins>. \u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">*Per exemple, en un espai unidimensional, al llarg d'una l\u00ednia, una sola component de longitud (o dist\u00e0ncia respecte d'un origen de refer\u00e8ncia) ens \u00e9s suficient</ins>. \u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">*En un espai pla, </ins>de <ins class=\"diffchange diffchange-inline\">dues dimensions, necessitem dues components, que poden ser ''dues dist\u00e0ncies'' en l\u00ednia recta (</ins>per <ins class=\"diffchange diffchange-inline\">exemple en vertical i en horitzontal respecte d'un origen) o b\u00e9 ''una dist\u00e0ncia'' en la direcci\u00f3 d'''un angle'' determinat.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>*<ins class=\"diffchange diffchange-inline\">En l'espai tridimensional necessitem components, tres dist\u00e0ncies o b\u00e9 una longitud i dos angles, per determinar la posici\u00f3 d'un punt recpecte l'origen</ins>.</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">*En teoria podem estudiar la variaci\u00f3 de la posici\u00f3 d'un punt en espais de tantes dimensions com volguem</ins>.</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">La unitat </ins>de <ins class=\"diffchange diffchange-inline\">dist\u00e0ncia </ins>en <ins class=\"diffchange diffchange-inline\">el sistema internacional \u00e9s el '''metre''', tot i que s'acostumen a utilitzar altres unitats m\u00faltiples, com el quil\u00f2metre, subm\u00faltiples, com la micra, o d'altres tipus provinents d'altres sistemes de mesures, com la polzada (sistema anglosax\u00f3).</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">La posici\u00f3 \u00e9s una '''magnitud vectorial'''.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">==La velocitat==</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">La '''velocitat''' \u00e9s la variaci\u00f3 de </ins>la <ins class=\"diffchange diffchange-inline\">posici\u00f3 respecte del temps. La seva magnitud \u00e9s '''vectorial''' i t\u00e9 tantes components com dimensions tingui l'espai. </ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">En el Sistema Internacional de mesures la unitat de la velocitat \u00e9s el '''metre per segon''' </ins>[<ins class=\"diffchange diffchange-inline\">m</ins>/<ins class=\"diffchange diffchange-inline\">s] per\u00f2 hi ha d'altres que tamb\u00e9 s'utilitzen molt, com el quil\u00f2metre per hora <math>\\frac{km}{h}<</ins>/<ins class=\"diffchange diffchange-inline\">math></ins>.</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">==L'acceleraci\u00f3==</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">L''''acceleraci\u00f3''' ens descriu com varia la velocitat respecte del temps</ins>. <ins class=\"diffchange diffchange-inline\">La seva magnitud \u00e9s '''vectorial''' i t\u00e9 tantes components </ins>com <ins class=\"diffchange diffchange-inline\">dimensions tingui l'espai. </ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">En el Sistema Internacional de mesures </ins>la <ins class=\"diffchange diffchange-inline\">unitat de la acceleraci\u00f3 \u00e9s </ins>el <ins class=\"diffchange diffchange-inline\">'''metre per segon al quadrat''' <math>\\frac{m}{s^2}</math></ins></div></td></tr>\n"
}
}